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Diffstat (limited to 'testing/web-platform/tests/css/css-will-change/will-change-stacking-context-opacity-2.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-will-change/will-change-stacking-context-opacity-2.html | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-opacity-2.html b/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-opacity-2.html new file mode 100644 index 0000000000..dfedbd2307 --- /dev/null +++ b/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-opacity-2.html @@ -0,0 +1,37 @@ +<!doctype html> +<meta charset="utf-8"> +<title>CSS Test: will-change: opacity should create a stacking context for inlines.</title> +<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org"> +<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1119651"> +<link rel="help" href="https://drafts.csswg.org/css-will-change/#will-change"> +<link rel="match" href="green-square-100-by-100-ref.html"> +<style> + html, body { margin: 0; } + .indicator { + position: absolute; + width: 100px; + height: 100px; + background: green; + z-index: 1; + } + .will-change-opacity { + will-change: opacity; + width: 100px; + height: 100px; + } + .top { + position: absolute; + width: 100px; + height: 100px; + background: red; + z-index: 3; + } +</style> + +<div class="indicator"></div> +<span class="will-change-opacity"> + <!-- Because will-change: opacity creates a stacking context, this child + remains on bottom even though it has a higher z-index than the indicator + box. --> + <div class="top"></div> +</span> |